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/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* This file is part of the TinyUSB stack.
*/
//--------------------------------------------------------------------+
// INCLUDE
//--------------------------------------------------------------------+
#include "mouse_host_app.h"
#include "app_os_prio.h"
#if CFG_TUH_HID_MOUSE
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
//--------------------------------------------------------------------+
#define QUEUE_MOUSE_REPORT_DEPTH 4
//--------------------------------------------------------------------+
// INTERNAL OBJECT & FUNCTION DECLARATION
//--------------------------------------------------------------------+
static osal_queue_t queue_mouse_hdl;
CFG_TUSB_MEM_SECTION static hid_mouse_report_t usb_mouse_report;
static inline void process_mouse_report(hid_mouse_report_t const * p_report);
//--------------------------------------------------------------------+
// tinyusb callbacks
//--------------------------------------------------------------------+
void tuh_hid_mouse_mounted_cb(uint8_t dev_addr)
{
// application set-up
printf("\na Mouse device (address %d) is mounted\n", dev_addr);
osal_queue_flush(queue_mouse_hdl);
(void) tuh_hid_mouse_get_report(dev_addr, (uint8_t*) &usb_mouse_report); // first report
}
void tuh_hid_mouse_unmounted_cb(uint8_t dev_addr)
{
// application tear-down
printf("\na Mouse device (address %d) is unmounted\n", dev_addr);
}
// invoked ISR context
void tuh_hid_mouse_isr(uint8_t dev_addr, xfer_result_t event)
{
switch(event)
{
case XFER_RESULT_SUCCESS:
osal_queue_send(queue_mouse_hdl, &usb_mouse_report);
(void) tuh_hid_mouse_get_report(dev_addr, (uint8_t*) &usb_mouse_report);
break;
case XFER_RESULT_FAILED:
(void) tuh_hid_mouse_get_report(dev_addr, (uint8_t*) &usb_mouse_report); // ignore & continue
break;
default :
break;
}
}
//--------------------------------------------------------------------+
// APPLICATION CODE
// NOTICE: MOUSE REPORT IS NOT CORRECT UNTIL A DECENT HID PARSER IS
// IMPLEMENTED, MEANWHILE IT CAN MISS DISPLAY BUTTONS OR X,Y etc
//--------------------------------------------------------------------+
void mouse_host_app_init(void)
{
tu_memclr(&usb_mouse_report, sizeof(hid_mouse_report_t));
queue_mouse_hdl = osal_queue_create( QUEUE_MOUSE_REPORT_DEPTH, sizeof(hid_mouse_report_t) );
TU_ASSERT( queue_mouse_hdl, VOID_RETURN);
TU_VERIFY( osal_task_create(mouse_host_app_task, "mouse", 128, NULL, MOUSE_APP_TASK_PRIO), );
}
//------------- main task -------------//
void mouse_host_app_task(void* param)
{
(void) param;
OSAL_TASK_BEGIN
tusb_error_t error;
hid_mouse_report_t mouse_report;
osal_queue_receive(queue_mouse_hdl, &mouse_report, OSAL_TIMEOUT_WAIT_FOREVER, &error);
(void) error; // suppress compiler's warnings
process_mouse_report(&mouse_report);
OSAL_TASK_END
}
//--------------------------------------------------------------------+
// HELPER
//--------------------------------------------------------------------+
void cursor_movement(int8_t x, int8_t y, int8_t wheel)
{
//------------- X -------------//
if ( x < 0)
{
printf(ANSI_CURSOR_BACKWARD(%d), (-x)); // move left
}else if ( x > 0)
{
printf(ANSI_CURSOR_FORWARD(%d), x); // move right
}else { }
//------------- Y -------------//
if ( y < 0)
{
printf(ANSI_CURSOR_UP(%d), (-y)); // move up
}else if ( y > 0)
{
printf(ANSI_CURSOR_DOWN(%d), y); // move down
}else { }
//------------- wheel -------------//
if (wheel < 0)
{
printf(ANSI_SCROLL_UP(%d), (-wheel)); // scroll up
}else if (wheel > 0)
{
printf(ANSI_SCROLL_DOWN(%d), wheel); // scroll down
}else { }
}
static inline void process_mouse_report(hid_mouse_report_t const * p_report)
{
static hid_mouse_report_t prev_report = { 0, 0, 0, 0 };
//------------- button state -------------//
uint8_t button_changed_mask = p_report->buttons ^ prev_report.buttons;
if ( button_changed_mask & p_report->buttons)
{
printf(" %c%c%c ",
p_report->buttons & MOUSE_BUTTON_LEFT ? 'L' : '-',
p_report->buttons & MOUSE_BUTTON_MIDDLE ? 'M' : '-',
p_report->buttons & MOUSE_BUTTON_RIGHT ? 'R' : '-');
}
//------------- cursor movement -------------//
cursor_movement(p_report->x, p_report->y, p_report->wheel);
}
#endif
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